Mary Butler Books

Deception So Agreeable
Deception So Agreeable

By Mary Butler

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The John Allen Moores
The John Allen Moores

By Mary Butler

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A biography of the American couple with emphasis on how they became missionaries and their work in Europe during World War II.

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Sojourner Truth
Sojourner Truth

By Mary G. Butler

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Fine yacht finishes for wood and fiberglass boats
Impression Framed
The Genuine Article
The Genuine Article

By Mary E. Butler

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Integration of mental health substance abuse and primary care
Born to die?
Born to die?

By Mary Butler

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The Listening Heart Tape 1
The Listening Heart Tape 2

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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